package com.itheima.request;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/Demo04Servlet")
public class Demo04Servlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String referer = request.getHeader("referer");
        System.out.println(referer);


        //防盗链
        if(referer!=null){
            if (referer.contains("/")){
                //正常访问
                System.out.println("播放电影");

            }else{
                //盗链
                System.out.println("来优酷");
            }
        }
    }
}
